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The Volumetric effects in V-Ray simulate fog, atmospheric haze and participating media for a number of image effects. Volumetrics also include Volumetric Grid rendering that works with grid based cache formats to create effects such as dynamic plumes of smoke.

Most of these effects are available in the Hypershade, with the exception of the Volumetric Grid, which is available from the V-Ray Shelf.

_{Image courtesy of Leticia Reinaldo Gillett}

Aerial Perspective

Adds a depth effect by causing distant objects to be less distinct.

Environment Fog

A fog effect throughout the scene, with control through maps and distance settings.

Simple Fog

Very simple fog with no maps. Can simulate fog, atmospheric dust and so forth.

V-Ray Toon

Produces cartoon-like outlines on all objects in the scene.

Scatter Fog

Scatters fog within a volume. Creates a volumetric effect that traces scattered light inside a volume.

Sphere Fade Volume

Places the fog effect within a spherical gizmo, with a fade-out at the edges of the gizmo.

Volumetric Grid

Imports, shades and renders grid-based volumetric simulation data into V-Ray for Maya.